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September Weather in Tsuen Wan, Hong Kong

Last updated: August 23, 2025

In September, the average temperature in Tsuen Wan, Hong Kong hovers around 28°C (83°F). Expect a minimum of 24°C (75°F) and a peak of 34°C (93°F). While you enjoy the warmth, be prepared for 225 mm (8.9 in) of precipitation spread over 22 days, contributing to an average humidity level of 75%.

September Temperature in Tsuen Wan

In September in Tsuen Wan, the average temperature is 28°C (83°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 24°C (75°F). This warm and pleasant climate makes Tsuen Wan an ideal destination for travelers seeking sunshine and outdoor activities.

September Weather in Tsuen Wan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Tsuen Wan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tsuen Wan, September typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec636370748083848383787265
Data source: Temperature data for Tsuen Wan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Tsuen Wan

In Tsuen Wan in September, the precipitation amount reaches 225 mm (8.9 in) during a span of 22 days.

September Precipitation Trends in Tsuen Wan

The chart displays monthly precipitation patterns in Tsuen Wan, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Tsuen Wan, September typically receives around 225 mm (8.9 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec174652911663252113822251763125
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tsuen Wan

In Tsuen Wan in September humidity is 75%. With an average temperature of 28°C (83°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel particularly heavy, and prompting frequent breaks in the shade to stay comfortable while traveling.

September Average Humidity in Tsuen Wan

This chart illustrates the average monthly humidity levels in Tsuen Wan, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Tsuen Wan is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%68%73%71%79%77%88%88%75%65%64%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tsuen Wan

In Tsuen Wan in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Tsuen Wan.

Maximum UV Index Levels in Tsuen Wan for September

The chart shows the monthly maximum UV Index (UVI) for Tsuen Wan in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Tsuen Wan typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121214131313121197
Data source: Tsuen Wan September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Tsuen Wan Compares to Other Months

Weather in Tsuen Wan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tsuen Wan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Tsuen Wan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)17 mm (0.7 inches)64%high
February Weather17°C (64°F)46 mm (1.8 inches)68%very high
March Weather21°C (70°F)52 mm (2.1 inches)73%extreme
April Weather23°C (74°F)91 mm (3.6 inches)71%extreme
May Weather27°C (80°F)166 mm (6.5 inches)79%extreme
June Weather28°C (84°F)325 mm (12.8 inches)77%extreme
July Weather29°C (84°F)211 mm (8.3 inches)88%extreme
August Weather29°C (84°F)382 mm (15.0 inches)88%extreme
September Weather28°C (83°F)225 mm (8.9 inches)75%extreme
October Weather26°C (78°F)176 mm (6.9 inches)65%extreme
November Weather22°C (73°F)31 mm (1.2 inches)64%very high
December Weather18°C (65°F)25 mm (1.0 inches)69%high

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